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Finding the Fourth Proportional to 352,062.90, 528,094.35 and 212,094.90

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Solution

The fourth proportional to 352,062.90, 528,094.35 and 212,094.90 is: 318,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,062.90 : 528,094.35 = 212,094.90 : x
  2. Step 2: Convert to fraction form
    352,062.90/528,094.35 = 212,094.90/x
  3. Step 3: Cross multiply
    352,062.90x = 528,094.35 × 212,094.90
  4. Step 4: Simplify right side
    352,062.90x = 112,006,118,353.82
  5. Step 5: Solve for x
    x = 112,006,118,353.82/352,062.90
  6. Step 6: Final answer
    x = 318,142.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.